Perhaps you should try some spelling variations:
usage developpement » de developpement, le developpement, au developpement
information 2.1.5 » information 2.1.6, information 2.4.5, information 8.2.1.5
developpement en » developpement et, developpement des, developpement de
a communication » la communication, data communication, data communications
technologies 1 » technologies _, technologies 4, technologies 2
media usage » media use
2.1.5 der » 2.1.2 der, 2.1.1 der, 2.1.3 der
der a » der _, der e

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologies 1 information 2.1.5 der a communication media usage developpement en afrique.*.